Which One is Better?

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Compare which test is better by looking at the means and standard deviations.

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Analyzing Test Scores

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Determine the Variance and Standard Deviation of a set of test scores.

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Scoring the Vault

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Determine a gymnast’s score on the vault if the vault was her worst/best event.

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Coca-Cola Popularity

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Determine the sample size of a group of people in a taste test as more people are introduced into the survey.

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The Last Math Exam

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Predict a pattern between two frequencies that determines the mean score on a math exam.

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Introducing Outliers

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Observe changes in the mean, median, and mode of a data set as you introduce an outlier.

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Center of Gravity

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Compare the arithmetic mean of a group of data points to its line of best fit. vertices.

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Combining Datasets

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Examine changes in measure of center when you combine groups of data.

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Transformations of Data

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Explore what changes in the mean, median, and mode as you add, subtract, multiply, and divide elements in a data set.

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Same But Different

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Create data sets that have one measure of center in common, but vary in a different measure of center.

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Mean, Median and Mode: Is One Always Larger?

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Compare the relative size of different measures of center in various data sets.

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“Average Families”

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Use a spreadsheet to find different data sets that will produce the same arithmetic mean.

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John’s Way of Finding Averages

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Apply an alternate method to find the arithmetic mean of a data set.

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